Determination of Safe Cropping Season in Direct- Seeding of Rice on Flooded Paddy by Using Effective Temperatures in Agroclimatic Zones (농업기후지대별 작물생육 유효기온 출현특성에 따른 벼 담수직파 안전작기 설정)
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- Korean Journal of Agricultural and Forest Meteorology
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- v.1 no.1
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- pp.72-80
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- 1999